Inventor · disambiguated record
Sundararajan Sankaranarayanan
Also filed as: SANKARANARAYANAN SUNDARARAJAN · SANKARANARAYANAN SUNDARARAJAN N
56 granted patents·13 pending applications·435 citations·filing 2007–2025
98Inventor score
Top patents by PatentIndex Score
69 records- 0198US9633740B1Read retry operations where likelihood value assignments change sign at different read voltages for each read retrySEAGATE TECHNOLOGY LLC·Filed 2016·Granted Apr 25, 2017·62 cites·20 claims
- 0297US9563502B1Read retry operations with read reference voltages ranked for different page populations of a memorySEAGATE TECHNOLOGY LLC·Filed 2016·Granted Feb 7, 2017·69 cites·20 claims
- 0396US10482983B2Read disturb detection based on dynamic bit error rate estimationSEAGATE TECHNOLOGY LLC·Filed 2017·Granted Nov 19, 2019·28 cites·20 claims
- 0496US10276233B1Adaptive read threshold voltage tracking with charge leakage mitigation using threshold voltage offsetsSEAGATE TECHNOLOGY LLC·Filed 2017·Granted Apr 30, 2019·29 cites·20 claims
- 0596US7729074B2Zone based timing recovery for bit patterned mediaSEAGATE TECHNOLOGY LLC·Filed 2007·Granted Jun 1, 2010·37 cites·18 claims
- 0695US10276247B2Read retry operations with estimation of written data based on syndrome weightsSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Apr 30, 2019·20 cites·20 claims
- 0795US10177787B1Mitigation of error correction failure due to trapping setsSEAGATE TECHNOLOGY LLC·Filed 2015·Granted Jan 8, 2019·18 cites·18 claims
- 0895US9209835B2Read retry for non-volatile memoriesSEAGATE TECHNOLOGY LLC·Filed 2013·Granted Dec 8, 2015·20 cites·20 claims
- 0994US10180868B2Adaptive read threshold voltage tracking with bit error rate estimation based on non-linear syndrome weight mappingSEAGATE TECHNOLOGY LLC·Filed 2017·Granted Jan 15, 2019·15 cites·20 claims
- 1094US9818488B2Read threshold voltage adaptation using bit error rates based on decoded dataSEAGATE TECHNOLOGY LLC·Filed 2015·Granted Nov 14, 2017·11 cites·20 claims
- 1193US11922993B2Read-time overhead and power optimizations with command queues in memory deviceMICRON TECHNOLOGY INC·Filed 2023·Granted Mar 5, 2024·2 cites·20 claims
- 1293US11868655B2Memory performance using memory access command queues in memory devicesMICRON TECHNOLOGY INC·Filed 2021·Granted Jan 9, 2024·2 cites·20 claims
- 1392US10290358B2Independent read threshold voltage tracking for multiple dependent read threshold voltages using syndrome weightsSEAGATE TECHNOLOGY LLC·Filed 2017·Granted May 14, 2019·13 cites·20 claims
- 1492US9645763B2Framework for balancing robustness and latency during collection of statistics from soft readsSEAGATE TECHNOLOGY LLC·Filed 2014·Granted May 9, 2017·14 cites·18 claims
- 1592US9620202B2Reduction or elimination of a latency penalty associated with adjusting read thresholds for non-volatile memorySEAGATE TECHNOLOGY LLC·Filed 2013·Granted Apr 11, 2017·12 cites·35 claims
- 1688US10409518B1Reordered local data deduplication in storage devicesSEAGATE TECHNOLOGY LLC·Filed 2017·Granted Sep 10, 2019·5 cites·19 claims
- 1787US9236099B2Multiple retry reads in a read channel of a memorySEAGATE TECHNOLOGY LLC·Filed 2013·Granted Jan 12, 2016·8 cites·20 claims
- 1886US11947452B2Controlling variation of valid data counts in garbage collection source blocksMICRON TECHNOLOGY INC·Filed 2022·Granted Apr 2, 2024·1 cites·20 claims
- 1986US10043582B2Establishing parameters of subsequent read retry operations based on syndrome weights of prior failed decodingsSEAGATE TECHNOLOGY LLC·Filed 2017·Granted Aug 7, 2018·7 cites·20 claims
- 2085US11042316B1Reordered data deduplication in storage devicesSEAGATE TECHNOLOGY LLC·Filed 2019·Granted Jun 22, 2021·3 cites·20 claims
- 2184US10263640B2Low density parity check (LDPC) decoder with pre-saturation compensationSEAGATE TECHNOLOGY LLC·Filed 2017·Granted Apr 16, 2019·6 cites·19 claims
- 2284US9898209B2Framework for balancing robustness and latency during collection of statistics from soft readsSEAGATE TECHNOLOGY LLC·Filed 2017·Granted Feb 20, 2018·3 cites·20 claims
- 2383US9417797B2Estimating read reference voltage based on disparity and derivative metricsSEAGATE TECHNOLOGY LLC·Filed 2014·Granted Aug 16, 2016·8 cites·34 claims
- 2482US9396792B2Adjusting log likelihood ratio values to compensate misplacement of read voltagesSEAGATE TECHNOLOGY LLC·Filed 2014·Granted Jul 19, 2016·7 cites·20 claims
- 2582US2025306805A1Using duplicate data for improving error correction capabilityMICRON TECHNOLOGY INC·Filed 2025·Application pending·0 cites
- 2681US11500547B2Mitigating data errors in a storage deviceSEAGATE TECHNOLOGY LLC·Filed 2021·Granted Nov 15, 2022·1 cites·20 claims
- 2780US12327048B2Using duplicate data for improving error correction capabilityMICRON TECHNOLOGY INC·Filed 2023·Granted Jun 10, 2025·0 cites·20 claims
- 2880US10388385B2Reduction or elimination of a latency penalty associated with adjusting read thresholds for non-volatile memorySEAGATE TECHNOLOGY LLC·Filed 2017·Granted Aug 20, 2019·2 cites·20 claims
- 2979US9548128B2Read retry for non-volatile memoriesSEAGATE TECHNOLOGY LLC·Filed 2015·Granted Jan 17, 2017·4 cites·16 claims
- 3078US12147712B2Memory performance using memory access command queues in memory devicesMICRON TECHNOLOGY INC·Filed 2023·Granted Nov 19, 2024·0 cites·19 claims
- 3178US9184954B1Systems and methods for directed soft data perturbation in layered decodingSEAGATE TECHNOLOGY LLC·Filed 2014·Granted Nov 10, 2015·6 cites·20 claims
- 3278US9123356B2Detecting track information from overlapping signals read from a data storage mediumSEAGATE TECHNOLOGY LLC·Filed 2012·Granted Sep 1, 2015·5 cites·20 claims
- 3375US11024396B2Reduction or elimination of a latency penalty associated with adjusting read thresholds for non-volatile memorySEAGATE TECHNOLOGY LLC·Filed 2019·Granted Jun 1, 2021·2 cites·20 claims
- 3475US9036413B2Flash memory reference voltage detection with tracking of cross-points of cell voltage distributions using histogramsLSI CORP·Filed 2013·Granted May 19, 2015·5 cites·20 claims
- 3574US2025077086A1Accessing memory devices via switchable channelsMICRON TECHNOLOGY INC·Filed 2024·Application pending·0 cites
- 3674US2024361929A1Second read initialization on latch-limited memory deviceMICRON TECHNOLOGY INC·Filed 2024·Application pending·0 cites
- 3773US10666295B1Mitigation of error correction failure due to trapping setsSEAGATE TECHNOLOGY LLC·Filed 2018·Granted May 26, 2020·2 cites·20 claims
- 3873US2024311307A1Concurrent page cache resource access in a multi-plane memory deviceMICRON TECHNOLOGY INC·Filed 2024·Application pending·0 cites
- 3972US12321266B2Controlling variation of valid data counts in garbage collection source blocksMICRON TECHNOLOGY INC·Filed 2024·Granted Jun 3, 2025·0 cites·20 claims
- 4072US2025028487A1Memory devices including idle time predictionMICRON TECHNOLOGY INC·Filed 2024·Application pending·0 cites
- 4171US12360901B2Memory performance during program suspend protocolMICRON TECHNOLOGY INC·Filed 2023·Granted Jul 15, 2025·0 cites·20 claims
- 4271US11861233B2Using duplicate data for improving error correction capabilityMICRON TECHNOLOGY INC·Filed 2022·Granted Jan 2, 2024·0 cites·20 claims
- 4370US12061806B2Second read initialization on latch-limited memory deviceMICRON TECHNOLOGY INC·Filed 2022·Granted Aug 13, 2024·0 cites·17 claims
- 4468US12019550B2Concurrent page cache resource access in a multi-plane memory deviceMICRON TECHNOLOGY INC·Filed 2021·Granted Jun 25, 2024·0 cites·20 claims
- 4566US12124739B2Memory devices including idle time predictionMICRON TECHNOLOGY INC·Filed 2022·Granted Oct 22, 2024·0 cites·11 claims
- 4666US11604732B1Memory performance during program suspend protocolMICRON TECHNOLOGY INC·Filed 2021·Granted Mar 14, 2023·0 cites·20 claims
- 4765US12189958B2Accessing memory devices via switchable channelsMICRON TECHNOLOGY INC·Filed 2022·Granted Jan 7, 2025·0 cites·20 claims
- 4865US10347343B2Adaptive read threshold voltage tracking with separate characterization on each side of voltage distribution about distribution meanSEAGATE TECHNOLOGY LLC·Filed 2015·Granted Jul 9, 2019·2 cites·20 claims
- 4965US2025390242A1Superblock comprising blocks determined based on piecewise slopesMICRON TECHNOLOGY INC·Filed 2025·Application pending·0 cites
- 5064US10942655B2Mitigating data errors in a storage deviceSEAGATE TECHNOLOGY LLC·Filed 2019·Granted Mar 9, 2021·1 cites·17 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →